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Can dead battery damage alternator?
A bad battery won’t damage the alternator, but a bad alternator can damage a battery. The car battery simply isn’t made to deliver electrical energy for extended periods, so both components need to be functioning optimally. However, just like a new alternator, it’ll depend on the make and model of your car.
Can a dead battery drain an alternator?
If your battery is not old, but it still drains when the car is off, you should inspect the state of your alternator. A corroded or defective alternator diode will faultily continue charging the circuit even when the car off. This, in turn, will drain your car battery and cause the car not to start.
Is it bad to run car on dead battery?
Unless your battery was also fscked you should’ve been able to go a lot longer than 5 minutes before your engine died. and in response to the question, yes a car can run with a dead battery, or a dead alternator (as long as the battery still has some charge), but not if both are dead.
What can ruin your alternator?
Alternators have moving parts, get dirty and are subject to stress from heat and cold. As a result, the internal parts gradually wear out. One of the most common failures is bearing failure. The needle bearings that allow the rotor to spin freely inside the stator can break down from dirt and heat.
How long does it take the alternator to charge a dead battery?
Remember: After you’ve done a jump start, you’ll need to keep the vehicle’s engine running for around 30 minutes to allow the alternator time to charge the battery sufficiently.
Can a bad battery make an alternator overcharge?
Battery. Alternators that overcharge will typically produce excess voltage to the battery, making the battery case swell up, become very hot and lose its electrolyte through boiling. Additionally, an incorrect replacement battery in the vehicle can cause an overcharging condition.
Can charging a car battery damage the alternator?
4 Answers. No, charging the battery from home should not damage the alternator. There is however no need to constantly charge it. If the vehicle is being used frequently there’s no need to keep charging it at all really as the alternator will keep the battery charged up just fine.
How long should I let my car run after a dead battery?
Be sure to drive your car for about 30 minutes before stopping again so the battery can continue to charge. Otherwise, you might need another jump start.